A hydraulically operated nose gear steering cylinder has at least two functions. The first is to allow the pilot to steer the aeroplane, and the second function is?

1) The function of an accumulator in a hydraulic brake system is:

2) The function of an accumulator in a hydraulic brake system is:

3) A hydraulically operated nose gear steering cylinder has at least two functions. The first is to allow the pilot to steer the aeroplane, and the second function is?

4) Control on the ground for small aeroplanes is provided by steering the nose wheel through connections to the rudder pedals, but large aeroplanes have normally:

5) When a landing gear wheel is hydroplaning, its friction factor is equal to: